Alexander Von Humboldt, The Last Person Who Knew It All
In June 1802, midway through his five-year scientific exploration of Spanish America, Alexander von Humboldt set out to climb Chimborazo, a 20,564-foot volcano in Ecuador’s Cordillera Occidental. At the time, it was thought to be the highest mountain in the world (a claim recently thrown back into contention by scientists measuring from the center of … Read more